Home / 91,584,079.40-137,334,128.70-40,439,772.20

Finding the Fourth Proportional to 91,584,079.40, 137,334,128.70 and 40,439,772.20

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Solution

The fourth proportional to 91,584,079.40, 137,334,128.70 and 40,439,772.20 is: 60,641,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,584,079.40 : 137,334,128.70 = 40,439,772.20 : x
  2. Step 2: Convert to fraction form
    91,584,079.40/137,334,128.70 = 40,439,772.20/x
  3. Step 3: Cross multiply
    91,584,079.40x = 137,334,128.70 × 40,439,772.20
  4. Step 4: Simplify right side
    91,584,079.40x = 5,553,760,879,913,482
  5. Step 5: Solve for x
    x = 5,553,760,879,913,482/91,584,079.40
  6. Step 6: Final answer
    x = 60,641,117.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.